Home / 11,978,037.96-17,976,374.01-8,360,302.56

Finding the Fourth Proportional to 11,978,037.96, 17,976,374.01 and 8,360,302.56

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Solution

The fourth proportional to 11,978,037.96, 17,976,374.01 and 8,360,302.56 is: 12,546,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,037.96 : 17,976,374.01 = 8,360,302.56 : x
  2. Step 2: Convert to fraction form
    11,978,037.96/17,976,374.01 = 8,360,302.56/x
  3. Step 3: Cross multiply
    11,978,037.96x = 17,976,374.01 × 8,360,302.56
  4. Step 4: Simplify right side
    11,978,037.96x = 150,287,925,655,320.47
  5. Step 5: Solve for x
    x = 150,287,925,655,320.47/11,978,037.96
  6. Step 6: Final answer
    x = 12,546,956.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.